She was curious to know the reasons for the popularity of private schools and what sorts of students they attracted, since their diplomas apparently were not in all cases equivalent to those of public institutions.
Generan curiosidad los motivos por los cuales son tan populares las escuelas privadas y qué tipos de alumnos atraen, ya que, al parecer, sus diplomas no son en todos los casos equivalentes a los de las instituciones públicas.